Lennox LS25 Unit Heater with Separated CombustionDesigned for Exceptional Performance The new LS25 Separated Combustion Unit Heaters utilize high temperature silicone gaskets to provide a superior seal and leakage rates that are up to 57% lower* than those allowed under ANSI Z83. 8. Lennox goes above and beyond to deliver a tight, durable seal because that is the key to unmatched durability and efficiency over the life of a separated combustion product in harsh environments. Features & Benefits More
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